Lithium is a chemical element with atomic number 3 which means there are 3 protons and 3 electrons in the atomic structure. Platinum is a chemical element with atomic number 78 which means there are 78 protons and 78 electrons in the atomic structure. Significant concentrations of boron occur on the Earth in compounds known as the borate minerals. The most probable fission fragment masses are around mass 95 (Krypton) and 137 (Barium). At 0.099%, phosphorus is the most abundant pnictogen in the Earth’s crust. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. The commercial use of beryllium requires the use of appropriate dust control equipment and industrial controls at all times because of the toxicity of inhaled beryllium-containing dusts that can cause a chronic life-threatening allergic disease in some people called berylliosis. Silicon is a chemical element with atomic number 14 which means there are 14 protons and 14 electrons in the atomic structure. Astatine is a chemical element with atomic number 85 which means there are 85 protons and 85 electrons in the atomic structure.

Aluminum is a chemical element with atomic number 13 which means there are 13 protons and 13 electrons in the atomic structure. In nuclear industry gadolinium is commonly used as a neutron absorber due to very high neutron absorbtion cross-section of two isotopes 155Gd and 157Gd. The chemical symbol for Lanthanum is La. At some point the amplitude of vibration becomes so large that the atoms start to invade the space of their nearest neighbors and disturb them and the melting process initiates.

The chemical symbol for Germanium is Ge. Yttrium is a chemical element with atomic number 39 which means there are 39 protons and 39 electrons in the atomic structure. Uranium is a silvery-white metal in the actinide series of the periodic table. The chemical symbol for Barium is Ba. Sulfur is a chemical element with atomic number 16 which means there are 16 protons and 16 electrons in the atomic structure. © 2019 periodic-table.org / see also Terbium is a chemical element with atomic number 65 which means there are 65 protons and 65 electrons in the atomic structure. Under normal conditions, sulfur atoms form cyclic octatomic molecules with a chemical formula S8. Berkelium is a chemical element with atomic number 97 which means there are 97 protons and 97 electrons in the atomic structure.

The chemical symbol for Chlorine is Cl. Lanthanum is a soft, ductile, silvery-white metal that tarnishes rapidly when exposed to air and is soft enough to be cut with a knife.

Because of its closed-shell electron configuration, its density and melting and boiling points differ significantly from those of most other lanthanides. The chemical symbol for Protactinium is Pa. Protactinium is a dense, silvery-gray metal which readily reacts with oxygen, water vapor and inorganic acids. Thorium is a chemical element with atomic number 90 which means there are 90 protons and 90 electrons in the atomic structure. Pure germanium is a semiconductor with an appearance similar to elemental silicon. Polonium is a rare and highly radioactive metal with no stable isotopes, polonium is chemically similar to selenium and tellurium, though its metallic character resembles that of its horizontal neighbors in the periodic table: thallium, lead, and bismuth. Elemental sulfur is a bright yellow crystalline solid at room temperature. The chemical symbol for Uranium is U. The chemical symbol for Yttrium is Y. Yttrium is a silvery-metallic transition metal chemically similar to the lanthanides and has often been classified as a “rare-earth element”. Although classified as a rare earth element, samarium is the 40th most abundant element in the Earth’s crust and is more common than such metals as tin. Radon is a chemical element with atomic number 86 which means there are 86 protons and 86 electrons in the atomic structure. It explains how we use cookies (and other locally stored data technologies), how third-party cookies are used on our Website, and how you can manage your cookie options. Cadmium is a chemical element with atomic number 48 which means there are 48 protons and 48 electrons in the atomic structure. It is obtained chiefly from the mineral cassiterite, which contains tin dioxide. Discoverer: Marinsky, Jacob A. and Coryell, Charles D. and Glendenin, Lawerence. Uranium is a silvery-white metal in the actinide series of the periodic table. 1) You may use almost everything for non-commercial and educational use. Under standard conditions, it is the lightest metal and the lightest solid element. Discoverer: McMillan, Edwin M. and Abelson, Philip H. Discoverer: Glenn T. Seaborg, Joseph W. Kennedy, Edward M. McMillan, Arthur C. Wohl, Discoverer: Glenn T. Seaborg, Ralph A. James, Leon O. Morgan, Albert Ghiorso, Discoverer: Glenn T. Seaborg, Ralph A. James, Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Kenneth Street, Jr., Albert Ghiorso, Discoverer: Stanley G. Thompson, Glenn T. Seaborg, Bernard G. Harvey, Gregory R. Choppin, Albert Ghiorso, Discoverer: Albert Ghiorso, Glenn T. Seaborg, Torbørn Sikkeland, John R. Walton, Discoverer: Albert Ghiorso, Torbjørn Sikkeland, Almon E. Larsh, Robert M. Latimer, Copyright 2020 Periodic Table | All Rights Reserved |.

Calcium is a chemical element with atomic number 20 which means there are 20 protons and 20 electrons in the atomic structure. When we use data that are related to certain product, we use only data released by public relations departments and allowed for use. Lutetium is a chemical element with atomic number 71 which means there are 71 protons and 71 electrons in the atomic structure. It is by mass the most common element on Earth, forming much of Earth’s outer and inner core. Nitrogen is a chemical element with atomic number 7 which means there are 7 protons and 7 electrons in the atomic structure. These elements, along with the chemically similar elements scandium and yttrium, are often collectively known as the rare earth elements.

Titanium can be used in surface condensers. Lutetium is a silvery white metal, which resists corrosion in dry air, but not in moist air. Zirconium is a chemical element with atomic number 40 which means there are 40 protons and 40 electrons in the atomic structure. Ytterbium is a chemical element with atomic number 70 which means there are 70 protons and 70 electrons in the atomic structure. It may also arise from waste incineration and glass manufacturing. Pure radium is silvery-white alkaline earth metal. Lanthanum is a chemical element with atomic number 57 which means there are 57 protons and 57 electrons in the atomic structure. Rubidium is a chemical element with atomic number 37 which means there are 37 protons and 37 electrons in the atomic structure. The chemical symbol for Californium is Cf. The chemical symbol for Aluminum is Al. The chemical symbol for Tungsten is W. Tungsten is a rare metal found naturally on Earth almost exclusively in chemical compounds.

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